Synopsis:
Drunk driving accidents can be prevented when the drunk person is stopped from driving.
Your team is to design and build a device to detect a drunk person and prevent the person from driving. It comes with an alcohol breathanalyzer that is attached to interesting way to stop the person from driving. Example the device detect the person is drunk and then water is sprayed from the device to the person.
Here are the resources to kick-start your alcohol breathanalyzer project:
http://fab.academany.org/2020/labs/kamakura/students/menghe-xu/assignments/week09/
https://www.instructables.com/MQ-3-Arduino-Alcohol-Sensor/
https://www.instructables.com/Alcohol-Sensing-Using-MQ-3/
https://www.instructables.com/Do-It-Yourself-Breathalyzer-With-MQ-3-LEGO-Parts/